(root)/
glibc-2.38/
sysdeps/
x86_64/
tst-avx512-aux.c
       1  /* Test case for preserved AVX512 registers in dynamic linker,
       2     -mavx512 part.
       3     Copyright (C) 2017-2023 Free Software Foundation, Inc.
       4     This file is part of the GNU C Library.
       5  
       6     The GNU C Library is free software; you can redistribute it and/or
       7     modify it under the terms of the GNU Lesser General Public
       8     License as published by the Free Software Foundation; either
       9     version 2.1 of the License, or (at your option) any later version.
      10  
      11     The GNU C Library is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14     Lesser General Public License for more details.
      15  
      16     You should have received a copy of the GNU Lesser General Public
      17     License along with the GNU C Library; if not, see
      18     <https://www.gnu.org/licenses/>.  */
      19  
      20  #include <immintrin.h>
      21  #include <stdlib.h>
      22  #include <string.h>
      23  
      24  int
      25  tst_avx512_aux (void)
      26  {
      27  #ifdef __AVX512F__
      28    extern __m512i avx512_test (__m512i, __m512i, __m512i, __m512i,
      29  			      __m512i, __m512i, __m512i, __m512i);
      30  
      31    __m512i zmm0 = _mm512_set1_epi32 (0);
      32    __m512i zmm1 = _mm512_set1_epi32 (1);
      33    __m512i zmm2 = _mm512_set1_epi32 (2);
      34    __m512i zmm3 = _mm512_set1_epi32 (3);
      35    __m512i zmm4 = _mm512_set1_epi32 (4);
      36    __m512i zmm5 = _mm512_set1_epi32 (5);
      37    __m512i zmm6 = _mm512_set1_epi32 (6);
      38    __m512i zmm7 = _mm512_set1_epi32 (7);
      39    __m512i ret = avx512_test (zmm0, zmm1, zmm2, zmm3,
      40  			     zmm4, zmm5, zmm6, zmm7);
      41    zmm0 =  _mm512_set1_epi32 (0x12349876);
      42    if (memcmp (&zmm0, &ret, sizeof (ret)))
      43      abort ();
      44    return 0;
      45  #else  /* __AVX512F__ */
      46    return 77;
      47  #endif  /* __AVX512F__ */
      48  }